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Bio Pesticide

Bacillus thuringiensis israelensis (BTI)

Bacillus thuringiensis Israelensis (Bti) is a strain of Bacillus thuringiensis that specifically targets mosquito larvae and other dipteran insects. It has gained recognition as an effective and environmentally friendly tool for mosquito control.

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Description :

Bti produces toxins known as Cry toxins, which are ingested by mosquito larvae during feeding. These toxins are specifically activated in the alkaline environment of the larvae’s digestive system. Once activated, the Cry toxins disrupt the integrity of the gut cells, leading to gut paralysis and ultimately causing the larvae to stop feeding. As a result, the mosquito larvae become unable to obtain the nutrients they need for growth and development, leading to their death.

Target Pests:

  • Mosquito larvae
  • Black fly larvae
  • Black fly larvae
  • Fungus gnat larvae

How Btk Works:

  • Ingestion: To be effective, mosquito larvae need to consume Bti spores present in their aquatic environment, typically in water sources such as ponds, puddles, or stagnant water.
  • Activation: Once inside the larvae’s alkaline gut environment, the Bti spores undergo activation. This activation process leads to the release of specific toxins produced by Bti.
  • Toxin Binding: The released toxins, known as Cry toxins, bind to specific receptors located on the gut cells of the mosquito larvae. This binding process triggers a cascade of events.
  • Gut Paralysis: Once the Cry toxins bind to the receptors on the gut cell membranes, they puncture or create pores in these membranes. This disruption weakens the integrity of the gut cells and compromises their functionality.
  • Death: As the gut cells continue to lyse or break down due to the formation of pores, the mosquito larvae’s digestive system becomes paralyzed. The larvae are no longer able to feed and obtain nutrients necessary for their survival. Consequently, within a few days, the larvae die from a combination of starvation and the inability of their digestive system to function properly.

Specification :

  • 1 x 107 CFU/GRAM

Benefits :

Advantages of BTI:

  1. The targeted action of this mosquito control method specifically aims to affect mosquito and fly larvae. This means it focuses on disrupting the life cycle of these pests, preventing them from maturing into adult mosquitoes or flies.
  2. Unlike traditional insecticides, this method is designed to be selective in its impact. It is specifically formulated to target mosquito and fly larvae while minimizing harm to beneficial insects and non-target species. This is important as beneficial insects play a crucial role in natural pest control and maintaining ecological balance.
  3. One of the key benefits of this method is its environmental safety. It poses no significant risks to humans, mammals, birds, fish, or other aquatic life. This is particularly valuable when considering the potential harmful effects that traditional insecticides can have on non-target organisms in ecosystems.
  4. By helping to reduce mosquito populations, this control method can contribute to lowering the incidence of mosquito-borne diseases. Mosquitoes are carriers of various diseases, such as malaria, dengue fever, Zika virus, and West Nile virus, which can be transmitted to humans through their bites. By targeting mosquito larvae, this method can help disrupt their breeding cycle and overall reduce the number of adult mosquitoes, thereby mitigating the risk of disease transmission to humans.
  5. It is important to note that while this mosquito control method can be effective in reducing mosquito populations and lowering disease risks, it is often used as one component of a comprehensive mosquito control strategy. This may include additional measures such as source reduction, habitat modification, and personal protective measures to achieve optimal results in mosquito control efforts.

Application Guidelines for BTK:

  1. Application:Apply Bti to standing water where mosquito larvae are present.
  2. Timing:Apply when mosquito larvae are active, usually in the early stages of development.
  3. Water pH: Bti is effective at a range of water pH levels but avoid mixing with highly alkaline water.

Recommended Use Sites for BTI:

  1. Stagnant water bodies, ponds, marshes, and other areas with standing water where mosquitoes breed.

Recommended application :

  1. Foliar sprays, pre-planting applications to seed, post-pruning treatments, incorporation in the soil during seeding or transplant, watering by irrigation, or applied as a root drench or dip.

Dosage :

  1. 50–100 liters kg/acre

Packing :50 Kg HDPE Bags

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    Plot No. 10008-3, Near BEIL,
    GIDC, Ankleshwar,
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